I wrote: > I think there's another way to think about it: what about saying that > the query's target relation(s) are subject to pruning, while others > are not? Then you do not need an executor flag, you just need to > look at the estate->es_result_relations array (or maybe even only at > estate->es_result_relation_info).
After a little bit I remembered there was already a function for this. So specifically, I'd suggest using ExecRelationIsTargetRelation() to decide whether to mark the scan as requiring pruning. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers